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Biology
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How to write an essay which will get me top marks in my exam

Essays in biology? Right I wasnt the only surprised one when I first heard about it. The main concept is that these essay titles are diverse and can range from a whole multitude of topics. But why...

Answered by Bilal R. Biology tutor
3087 Views

What is coronary heart disease?

Coronary heart disease is an incredibly common disease.  

It involves the coronary arteries: the arteries which provide oxygenated blood to the heart tissue itself to keep it functioning....

Answered by Simon J. Biology tutor
5708 Views

What is a myocardial infarction?

To answer this we can start by breaking down the phrase itself.

So, 'myo' always means muscle. 'Cardial' means of the heart. So myocardial infarction means infarction of the heart muscle....

Answered by Simon J. Biology tutor
5724 Views

How is an action potential fired?

When a neurone is at rest, the outside of the neurone is more positive than the inside. This is due to the sodium-potassium pump which actively pumps 3 Na+ outside the cell, whilst at the same time pum...

Answered by Eleanor B. Biology tutor
3854 Views

Define Enzyme and Active site

Enzymes are biological catalysts that are formed from globular proteins.

Active site is the molecule surface space where the substrate binds and catalysi...

Answered by Xin Yan H. Biology tutor
5847 Views

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